• Set of 4 accessories for Stanley Cup Adventure Quencher 40 oz: includes 1 bottom protector (cream white) and 3 straw covers for 9-10 mm straws. • The bottom protector shields the cup from bumps and damage, is non-slip, and reduces noise, improving the longevity of the cup. • The straw covers prevent dust from entering and help you drink water in a healthy way. • Made of safe, soft, elastic, durable, and reusable silicone. • Easy to clean and hand washable. • Straw cover diameter: 10 mm. Bottom protector diameter: 7.5 cm. • Compatible with other sports bottles with a 7.5 cm base and 9-10 mm straws. • The set is ideal for daily use and as a replacement. • A practical gift for friends and family.